Category: chlorides-buliding-blocks

Pharmaceuticals and personal care products in the seawater around a typical subtropical tourist city of China and associated ecological risk was written by Chen, Hongzhe;Chen, Wenfeng;Guo, Huige;Lin, Hui;Zhang, Yuanbiao. And the article was included in Environmental Science and Pollution Research in 2021.Recommanded Product: 101-20-2 This article mentions the following:

Pharmaceuticals and personal care products (PPCPs) in the sea area surrounding a densely populated tourist city in southeastern China were investigated. In total, 32 PPCP pollutants classified into 23 categories were detected. Different spatial distribution patterns of PPCPs indicated possible contamination from runoff and multiple local sources. The labile-to-conservative ratios of PPCPs showed the influence of untreated domestic sewage. In addition, increased concentrations of ciprofloxacin, enrofloxacin, and erythromycin around aquaculture farms imply that aquaculture cannot be neglected as a source. The concentrations of oxytetracycline, ranitidine, ciprofloxacin, miconazole, and sulfamethizole were higher in the wet season than those in the dry season, and the difference in pharmaceutical consumption was suspected to be the main driving factor of this seasonal variation. The risk quotients calculated with the maximum concentrations of miconazole, triclosan, dehydronifedipine, and triclocarban exceeded 0.1, indicating potential moderate or high risks. Antibacterial agents in daily chems. and azole broad-spectrum antifungals were associated with the highest risks in this study; this might be another significant pollution characteristic in the sea area around this subtropical tourist city. In the experiment, the researchers used many compounds, for example, 1-(4-Chlorophenyl)-3-(3,4-dichlorophenyl)urea (cas: 101-20-2Recommanded Product: 101-20-2).

1-(4-Chlorophenyl)-3-(3,4-dichlorophenyl)urea (cas: 101-20-2) belongs to organic chlorides. Organochlorines stimulate the central nervous system and cause convulsions, tremor, nausea, and mental confusion. Examples are dichlorodiphenyltrichloroethane (DDT), chlordane, lindane, endosulfan, and dieldrin.While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available. Alkyl chlorides readily undergo attack by nucleophiles.Recommanded Product: 101-20-2

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Responsive Ionogel Surface with Renewable Antibiofouling Properties was written by Ye, Lijun;Chen, Fei;Liu, Jie;Gao, Aiting;Kircher, Gunnar;Liu, Wendong;Kappl, Michael;Wegner, Seraphine;Butt, Hans-Juergen;Steffen, Werner. And the article was included in Macromolecular Rapid Communications in 2019.Computed Properties of C18H37Cl This article mentions the following:

The synthesis of ionogels with a responsive, self-replenishing surface for combating biofouling is described. Ionogels are prepared by infiltrating poly(vinylidene fluoride-co-hexafluoropropylene) with binary mixtures of ionic liquids (IL): 1-octadecyl-3-methylimidazolium bis(trifluoromethyl sulfonyl)imide ([C₁₈C₁i.m.][NTf₂], m.p. T_m = 55 °C) and 1-hexyl-3-methylimidazolium bis(trifluoromethyl sulfonyl)imide ([C₆C₁i.m.][NTf₂], T_m = -9 °C). The IL mixtures release spontaneously from the gel matrix and eventually crystallize on the surface. This leads to self-replenishment of the surface of ionogels even after mech. damage. The incorporation of [C₆C₁i.m.][NTf₂] provides the antimicrobial efficacy of ionogels while the crystals of [C₁₈C₁i.m.][NTf₂] serve as a skeleton maintaining [C₆C₁i.m.][NTf₂] on the surface. By heating, the ionogel surface transforms from solid to liquid-infused state-the removal of biofilms/bacteria developed under a long time of colonization is facilitated. The antimicrobial efficacy is maintained even after several cycles of biofilm formation and detachment. This work provides an opportunity to apply ionogels as functional coatings with renewable antibiofouling properties. In the experiment, the researchers used many compounds, for example, 1-Chlorooctadecane (cas: 3386-33-2Computed Properties of C18H37Cl).

1-Chlorooctadecane (cas: 3386-33-2) belongs to organic chlorides. An organic chloride is an organic compound containing at least one covalently bonded atom of chlorine. Their wide structural variety and divergent chemical properties lead to a broad range of names and applications. Alkyl chlorides are versatile building blocks in organic chemistry. While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available.Computed Properties of C18H37Cl

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Study on synthesis and anticancer activity of 17beta-estradiol-phenol/aniline nitrogen mustard derivatives was written by Yin, Yu-dong;Liu, Jing-jing;Liao, Wen-fei;Guo, Xian-kun;Zhang, Li-shan;Mo, Wei-bin;Cheng, Ke-guang. And the article was included in Medicinal Chemistry Research in 2021.COA of Formula: C19H15Cl This article mentions the following:

As 17β-estradiol and its derivatives have good affinity with estrogen receptors and have unique antitumor properties, O¹-propargyl-N⁴,N⁴-bis(2-chloroethyl)-4-aminophenol and N⁴,N⁴-dipropargyl-N¹,N¹-bis(2-chloroethyl)-1,4-phenylenediamine were resp. combined with 17β-estradiol through linkers of different lengths. These targeted novel nitrogen mustard 17β-estradiol derivatives were tested antiproliferative activity using the MTT assay. The results illustrated that these compounds were less toxicity to HL-7702 (human liver cells) and SKOV-3, though all their activity potency was moderate or weak against the MDA-MB-231, MCF-7 and BEL-7404 cell lines. The inhibitory activity of the O¹-propargyl-N⁴,N⁴-bis (2-chloroethyl)-4-aminophenol derivatives were obviously better than the N⁴-dipropargyl-N¹, N¹-bis (2-chloroethyl) -1,4-phenylenediamine derivatives against tested tumor cell lines. And three hybrids exhibited good inhibitory activity against BEL-7404 cell line (IC₅₀ = 13.5, 15.3 and 13.9μM, resp.). After that, we performed KEGG pathway anal. on one compound, and the results showed that it mainly induced breast cancer cell apoptosis by regulating the expression of the proteins in NF-κ B pathway. In the experiment, the researchers used many compounds, for example, (Chloromethanetriyl)tribenzene (cas: 76-83-5COA of Formula: C19H15Cl).

(Chloromethanetriyl)tribenzene (cas: 76-83-5) belongs to organic chlorides. An organic chloride is an organic compound containing at least one covalently bonded atom of chlorine. Their wide structural variety and divergent chemical properties lead to a broad range of names and applications. The haloform reaction, using chlorine and sodium hydroxide, is also able to generate alkyl halides from methyl ketones, and related compounds. Chloroform was formerly produced thus.COA of Formula: C19H15Cl

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Effect of dielectric barrier discharge cold plasma treatments on flavor fingerprints of brown rice was written by Liu, Qiang;Wu, Haijing;Luo, Ji;Liu, Jiwei;Zhao, Siqi;Hu, Qiuhui;Ding, Chao. And the article was included in Food Chemistry in 2021.SDS of cas: 57045-82-6 This article mentions the following:

A non-thermal processing method was developed to promote preservation of brown rice using dielec. barrier discharge cold plasma (DBD-CP). Physicochem. properties including free fatty acid (FFA) content, surface color change, volatile organic components (VOCs) and flavor fingerprints were evaluated in brown rice submitted to DBD-CP. FFA levels were 25.2% lower in treated samples compared to the control, and a more stable surface color was obtained at the end of the storage period. A total of 35 major VOCs could be detected in treated samples, and reduced levels of hexanal can be used as an indicator of DBD-CP treatment in brown rice during storage. Moreover, the flavor fingerprints in DBD-CP treated groups can be successfully distinguished through headspace gas chromatog. ion mobility spectrometry. Collectively, application of DBD-CP treatment could be utilized as a feasible approach to promote stabilization of brown rice and preserve flavor during storage. In the experiment, the researchers used many compounds, for example, Chloroformicacidn-nonylester (cas: 57045-82-6SDS of cas: 57045-82-6).

Chloroformicacidn-nonylester (cas: 57045-82-6) belongs to organic chlorides. An organic chloride is an organic compound containing at least one covalently bonded atom of chlorine. Their wide structural variety and divergent chemical properties lead to a broad range of names and applications. Alkyl chlorides readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.SDS of cas: 57045-82-6

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Synthesis and pharmacological evaluation of carboxamide derivatives as selective serotoninergic 5-HT₄ receptor agonists was written by Itoh, Katsuhiko;Kanzaki, Koji;Ikebe, Tsuguo;Kuroita, Takanobu;Tomozane, Hideo;Sonda, Shuji;Sato, Noriko;Haga, Keiichiro;Kawakita, Takeshi. And the article was included in European Journal of Medicinal Chemistry in 1999.Electric Literature of C8H7ClO3 This article mentions the following:

A number of new carboxamide derivatives, e.g. benzoxazinecarboxamides I (n = 0, 1, 2; m = 1, 0) and benzamides II (R = Et, Bu, hexyl, MeSO₂NHCH₂CH₂) were prepared The affinity of these compounds for the serotoninergic 5-HT₄ receptor was evaluated by use of radioligand-binding techniques. The agonistic activity was evaluated as the contractile effect of the ascending colon isolated from guinea-pigs. Among these compounds, II (R = MeSO₂NHCH₂CH₂) (III) showed a high affinity for the 5-HT₄ receptor. III displayed a higher affinity for 5-HT₄ receptors than the other receptors, including 5-HT₃ and dopamine D₂ receptors. In addition, III was confirmed to be a potent 5-HT₄ receptor agonist. An interaction model between III and 5-HT₄ receptor was proposed. In the experiment, the researchers used many compounds, for example, 5-Chloro-2-methoxybenzoic acid (cas: 3438-16-2Electric Literature of C8H7ClO3).

5-Chloro-2-methoxybenzoic acid (cas: 3438-16-2) belongs to organic chlorides. Organic chlorides can cause corrosion in pipelines, valves and condensers, and cause catalyst poisoning. The hydrocarbon processing industry (HPI) and others are affected by damage caused by these substances. Alkyl chlorides are versatile building blocks in organic chemistry. While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available.Electric Literature of C8H7ClO3

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

(2,6-Difluorophenyl)(4-methylpiperidin-1-yl)methanone was written by Al-Dajani, Mohammad T. M.;Adballah, Hassan H.;Mohamed, Nornisah;Hemamalini, Madhukar;Fun, Hoong-Kun. And the article was included in Acta Crystallographica, Section E: Structure Reports Online in 2011.Electric Literature of C7H5ClF2 This article mentions the following:

In the title compound, C₁₃H₁₅F₂NO, the piperidine ring adopts a chair conformation. The dihedral angle between the least-squares plane of the piperidine ring and the benzene ring is 48.75(7)°. In the crystal structure, the mols. are connected via C-H···O H bonds, forming a zigzag chain along the b axis. Crystallog. data and at. coordinates are given. In the experiment, the researchers used many compounds, for example, 2-(Chloromethyl)-1,3-difluorobenzene (cas: 697-73-4Electric Literature of C7H5ClF2).

2-(Chloromethyl)-1,3-difluorobenzene (cas: 697-73-4) belongs to organic chlorides. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. The haloform reaction, using chlorine and sodium hydroxide, is also able to generate alkyl halides from methyl ketones, and related compounds. Chloroform was formerly produced thus.Electric Literature of C7H5ClF2

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Design, synthesis, biological evaluation, and docking study of novel dual-acting thiazole-pyridiniums inhibiting acetylcholinesterase and β-amyloid aggregation for Alzheimer’s disease was written by Ghotbi, Golaleh;Mahdavi, Mohammad;Najafi, Zahra;Moghadam, Farshad Homayouni;Hamzeh-Mivehroud, Maryam;Davaran, Soodabeh;Dastmalchi, Siavoush. And the article was included in Bioorganic Chemistry in 2020.Recommanded Product: 620-19-9 This article mentions the following:

New compounds containing thiazole and pyridinium moieties were designed and synthesized. The potency of the synthesized compounds as selective inhibitors of acetylcholinesterase (AChE), and β-amyloid aggregation (Aβ) was evaluated. Compounds 7d and 7j showed the best AChE inhibitory activities at the submicromolar concentration range (IC₅₀ values of 0.40 and 0.69μM, resp.). Most of the novel compounds showed moderate to low inhibition of butyrylcholinesterase (BChE), which is indicative of their selective inhibitory effects towards AChE. Kinetic studies using the most potent compounds 7d and 7j confirmed a mixed-type of AChE inhibition mechanism in accordance with the docking results, which shows their interactions with both catalytic active (CAS) and peripheral anionic (PAS) sites. The specific binding of 7a, 7j, and 7m to PAS domain of AChE was also confirmed exptl. In addition, 7d and 7j were able to show β-amyloid self-aggregation inhibitory effects (20.38 and 42.66% resp.) stronger than donepezil (14.70%) assayed at 10μM concentration Moreover, compounds 7j and 7m were shown to be effective neuroprotective agents in H₂O₂-induced oxidative stress on PC₁₂ cells almost similar to those observed for donepezil. The ability of 7j to pass blood-brain barrier was demonstrated using the PAMPA method. The results presented in this work provide useful information about designing novel anti-Alzheimer agents. In the experiment, the researchers used many compounds, for example, 1-(Chloromethyl)-3-methylbenzene (cas: 620-19-9Recommanded Product: 620-19-9).

1-(Chloromethyl)-3-methylbenzene (cas: 620-19-9) belongs to organic chlorides. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.Recommanded Product: 620-19-9

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Palladium-Catalyzed α-Arylation of Tetramic Acids was written by Storgaard, Morten;Zaragoza Doerwald, Florencio;Peschke, Bernd;Tanner, David. And the article was included in Journal of Organic Chemistry in 2009.Recommanded Product: 18437-66-6 This article mentions the following:

A mild, racemization-free, palladium-catalyzed α-arylation of tetramic acids (2,4-pyrrolidinediones) has been developed. Various amino acid-derived tetramic acids were cleanly arylated by treatment with 2 mol % of Pd(OAc)₂, 4 mol % of a sterically demanding biaryl phosphine, 2.3 equiv of K₂CO₃ or K₃PO₄, and aryl chlorides, bromides, or triflates in THF. With conventional heating, conversions >95% could be attained after 1 h at 80 °C, whereas microwave-induced heating led to much shorter reaction times (5 min at 110 °C). The electron d. of the aryl electrophile had no effect on their reactivity: both electron-rich and electron-poor aryl chlorides and bromides or triflates led to good yields. Ortho-substituted aryl halides and heteroaryl halides, however, did not undergo the title reaction. In the experiment, the researchers used many compounds, for example, tert-Butyl (4-chlorophenyl)carbamate (cas: 18437-66-6Recommanded Product: 18437-66-6).

tert-Butyl (4-chlorophenyl)carbamate (cas: 18437-66-6) belongs to organic chlorides. An organic chloride is an organic compound containing at least one covalently bonded atom of chlorine. Their wide structural variety and divergent chemical properties lead to a broad range of names and applications. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Recommanded Product: 18437-66-6

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Concentrations of bisphenols, benzophenone-type ultraviolet filters, triclosan, and triclocarban in the paired urine and blood samples from young adults: Partitioning between urine and blood was written by Zhang, Hua;Li, Jingxia;An, Yulin;Wang, Desheng;Zhao, Jianfu;Zhan, Meixiao;Xu, Weiguo;Lu, Ligong;Gao, Yunfei. And the article was included in Chemosphere in 2022.HPLC of Formula: 101-20-2 This article mentions the following:

Bisphenols (BPs), benzophenone-type UV filters (BP-type UV filters), triclosan (TCS), and triclocarban (TCC) are endocrine-disrupting chems. (EDCs) and commonly used in consumer and personal care products. In the present study, seven BPs, eight BP-type UV filters, TCS, and TCC were quantified in 196 paired urine and blood samples collected from young adults in South China. Benzophenone-7 and benzophenone-9 were not detected in all samples, while other target compounds were widely detected in 39%-96% of the urine and 14%-96% of the blood samples, and the median concentrations ranged from <0.02 (sp. gr. adjusted: < 0.02) to 2.33 (2.05) ng/mL and <0.01-2.66 ng/mL in the urine and blood samples, resp. Females had higher levels of most target analytes, and gender-related differences (p < 0.05) were found in the blood levels of benzophenone-2 (females vs. males: 0.84 vs. <0.01 ng/mL),ΣBP (sum of BP-type UV filters; 1.61 vs. 0.98 ng/mL), TCS (3.89 vs. 1.69 ng/mL), and ΣTC (sum of TCS and TCC; 5.77 vs. 3.02 ng/mL). We calculated the portioning of the target compounds between blood and urine (B/U ratios). The B/U ratios of bisphenol F, benzophenone-2, benzophenone-6, 4-hydroxy benzophenone, TCS, and TCC were higher than 1, showing that these analytes have higher enrichment capacities in human blood. To the best of our knowledge, this is the first study to simultaneously analyze the concentrations of BPs, BP-type UV filters, TCS, and TCC in the paired urine and blood samples of young adults in South China. In the experiment, the researchers used many compounds, for example, 1-(4-Chlorophenyl)-3-(3,4-dichlorophenyl)urea (cas: 101-20-2HPLC of Formula: 101-20-2).

1-(4-Chlorophenyl)-3-(3,4-dichlorophenyl)urea (cas: 101-20-2) belongs to organic chlorides. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. Organochlorine compounds are lipophylic, meaning they are more soluble in fat than in water. This gives them a high tenancy to accumulate in the food chain (biomagnification).HPLC of Formula: 101-20-2

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Solid-state structure, phase transition, and shape-memory properties of network copolymers with hyperbranched units containing s-benzenetricarbamide cores was written by Otsuki, Yuto;Yamaguchi, Junto;Tsukamoto, Tadashi;Shibasaki, Yuji;Fujimori, Atsuhiro. And the article was included in Polymer in 2022.Product Details of 4422-95-1 This article mentions the following:

This study is aimed at elucidating the origin of the shape-memory characteristics, associated with temperature changes of network copolymers consisting of hyperbranched units with s-benzenetricarbamide cores. For the copolymers used in this study, the trifunctional hyperbranched unit is designated as a hard segment (Hard-Sg), and polyethylene glycol (PEG), which is N-H group-capped at both ends and linked to Hard-Sg, is designated as a soft segment (Soft-Sg). When we use Hard-Sg obtained by linking five units of 4-methylaminobenzoic acid at the core and Hard-Sg with its -COOH terminal carbazidized, the solubility in the general solvents and the high-temperature behavior of the obtained copolymers are significantly different. Using carboazidization of the Hard-Sg terminal, the copolymers could be cured at 140 °C via the Curtius rearrangement, and thus they became insoluble, exhibited elongation and shrinking characteristics above the m.p., and regained their shape when the temperature was raised again. Reciprocal lattice anal. revealed that the PEG chain, i.e. the Soft-Sg, was the main component of crystallization, and the shape-memory characteristics repeat plasticization, structural fixation, and contraction restoration with the phase transition of this Soft-Sg unit. In the experiment, the researchers used many compounds, for example, Trimesoylchloride (cas: 4422-95-1Product Details of 4422-95-1).

Trimesoylchloride (cas: 4422-95-1) belongs to organic chlorides. Organochlorines are organic compounds having multiple chlorine atoms. They were the first synthetic pesticides that were used in agriculture. They are resistant to most microbial and chemical degradations. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Product Details of 4422-95-1

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics